diff --git a/trojan.sh b/trojan.sh
new file mode 100644
index 0000000..a7d7eef
--- /dev/null
+++ b/trojan.sh
@@ -0,0 +1,561 @@
+#!/bin/bash
+function blue(){
+    echo -e "\033[34m\033[01m$1\033[0m"
+}
+function green(){
+    echo -e "\033[32m\033[01m$1\033[0m"
+}
+function red(){
+    echo -e "\033[31m\033[01m$1\033[0m"
+}
+function version_lt(){
+    test "$(echo "$@" | tr " " "\n" | sort -rV | head -n 1)" != "$1"; 
+}
+
+source /etc/os-release
+RELEASE=$ID
+VERSION=$VERSION_ID
+if [ "$RELEASE" == "centos" ]; then
+    release="centos"
+    systemPackage="yum"
+elif [ "$RELEASE" == "debian" ]; then
+    release="debian"
+    systemPackage="apt-get"
+elif [ "$RELEASE" == "ubuntu" ]; then
+    release="ubuntu"
+    systemPackage="apt-get"
+fi
+systempwd="/etc/systemd/system/"
+
+function install_trojan(){
+    $systemPackage install -y nginx
+    if [ ! -d "/etc/nginx/" ]; then
+        red "nginx安装有问题，请使用卸载trojan后重新安装"
+        exit 1
+    fi
+    cat > /etc/nginx/nginx.conf <<-EOF
+user  root;
+worker_processes  1;
+error_log  /var/log/nginx/error.log warn;
+pid        /var/run/nginx.pid;
+events {
+    worker_connections  1024;
+}
+http {
+    include       /etc/nginx/mime.types;
+    default_type  application/octet-stream;
+    log_format  main  '\$remote_addr - \$remote_user [\$time_local] "\$request" '
+                      '\$status \$body_bytes_sent "\$http_referer" '
+                      '"\$http_user_agent" "\$http_x_forwarded_for"';
+    access_log  /var/log/nginx/access.log  main;
+    sendfile        on;
+    #tcp_nopush     on;
+    keepalive_timeout  120;
+    client_max_body_size 20m;
+    #gzip  on;
+    server {
+        listen       80;
+        server_name  $your_domain;
+        root /usr/share/nginx/html;
+        index index.php index.html index.htm;
+    }
+}
+EOF
+    systemctl restart nginx
+    sleep 3
+    rm -rf /usr/share/nginx/html/*
+    cd /usr/share/nginx/html/
+    wget https://github.com/xxxbrian/trojan.sh/raw/main/fakesite.zip >/dev/null 2>&1
+    unzip fakesite.zip >/dev/null 2>&1
+    sleep 5
+    if [ ! -d "/usr/src" ]; then
+        mkdir /usr/src
+    fi
+    if [ ! -d "/usr/src/trojan-cert" ]; then
+        mkdir /usr/src/trojan-cert /usr/src/trojan-temp
+        mkdir /usr/src/trojan-cert/$your_domain
+        if [ ! -d "/usr/src/trojan-cert/$your_domain" ]; then
+            red "不存在/usr/src/trojan-cert/$your_domain目录"
+            exit 1
+        fi
+        ~/.acme.sh/acme.sh  --register-account  -m myemail@example.com --server zerossl
+        ~/.acme.sh/acme.sh  --issue  -d $your_domain  --nginx
+        if test -s /root/.acme.sh/$your_domain/fullchain.cer; then
+            cert_success="1"
+        fi
+    elif [ -f "/usr/src/trojan-cert/$your_domain/fullchain.cer" ]; then
+        cd /usr/src/trojan-cert/$your_domain
+        create_time=`stat -c %Y fullchain.cer`
+        now_time=`date +%s`
+        minus=$(($now_time - $create_time ))
+        if [  $minus -gt 5184000 ]; then
+            ~/.acme.sh/acme.sh  --register-account  -m myemail@example.com --server zerossl
+            ~/.acme.sh/acme.sh  --issue  -d $your_domain  --nginx
+            if test -s /root/.acme.sh/$your_domain/fullchain.cer; then
+                cert_success="1"
+            fi
+        else 
+            green "检测到域名$your_domain证书存在且未超过60天，无需重新申请"
+            cert_success="1"
+        fi        
+    else 
+        mkdir /usr/src/trojan-cert/$your_domain
+        ~/.acme.sh/acme.sh  --register-account  -m myemail@example.com --server zerossl
+        ~/.acme.sh/acme.sh  --issue  -d $your_domain  --nginx
+        if test -s /root/.acme.sh/$your_domain/fullchain.cer; then
+            cert_success="1"
+        fi
+    fi
+    
+    if [ "$cert_success" == "1" ]; then
+        cat > /etc/nginx/nginx.conf <<-EOF
+user  root;
+worker_processes  1;
+error_log  /var/log/nginx/error.log warn;
+pid        /var/run/nginx.pid;
+events {
+    worker_connections  1024;
+}
+http {
+    include       /etc/nginx/mime.types;
+    default_type  application/octet-stream;
+    log_format  main  '\$remote_addr - \$remote_user [\$time_local] "\$request" '
+                      '\$status \$body_bytes_sent "\$http_referer" '
+                      '"\$http_user_agent" "\$http_x_forwarded_for"';
+    access_log  /var/log/nginx/access.log  main;
+    sendfile        on;
+    #tcp_nopush     on;
+    keepalive_timeout  120;
+    client_max_body_size 20m;
+    #gzip  on;
+    server {
+        listen       127.0.0.1:80;
+        server_name  $your_domain;
+        root /usr/share/nginx/html;
+        index index.php index.html index.htm;
+    }
+    server {
+        listen       0.0.0.0:80;
+        server_name  $your_domain;
+        return 301 https://$your_domain\$request_uri;
+    }
+    
+}
+EOF
+        systemctl restart nginx
+        systemctl enable nginx
+        cd /usr/src
+        wget https://api.github.com/repos/trojan-gfw/trojan/releases/latest >/dev/null 2>&1
+        latest_version=`grep tag_name latest| awk -F '[:,"v]' '{print $6}'`
+        rm -f latest
+        green "开始下载最新版trojan amd64"
+        wget https://github.com/trojan-gfw/trojan/releases/download/v${latest_version}/trojan-${latest_version}-linux-amd64.tar.xz
+        tar xf trojan-${latest_version}-linux-amd64.tar.xz >/dev/null 2>&1
+        rm -f trojan-${latest_version}-linux-amd64.tar.xz
+        #下载trojan客户端
+        green "开始下载并处理trojan windows客户端"
+        wget https://github.com/xxxbrian/trojan.sh/raw/main/trojan-cli.zip
+        wget -P /usr/src/trojan-temp https://github.com/trojan-gfw/trojan/releases/download/v${latest_version}/trojan-${latest_version}-win.zip
+        unzip -o trojan-cli.zip >/dev/null 2>&1
+        unzip -o /usr/src/trojan-temp/trojan-${latest_version}-win.zip -d /usr/src/trojan-temp/ >/dev/null 2>&1
+        mv -f /usr/src/trojan-temp/trojan/trojan.exe /usr/src/trojan-cli/
+        green "请设置trojan密码，建议不要出现特殊字符"
+        read -p "请输入密码 :" trojan_passwd
+        #trojan_passwd=$(cat /dev/urandom | head -1 | md5sum | head -c 8)
+        cat > /usr/src/trojan-cli/config.json <<-EOF
+{
+    "run_type": "client",
+    "local_addr": "127.0.0.1",
+    "local_port": 1080,
+    "remote_addr": "$your_domain",
+    "remote_port": 443,
+    "password": [
+        "$trojan_passwd"
+    ],
+    "log_level": 1,
+    "ssl": {
+        "verify": true,
+        "verify_hostname": true,
+        "cert": "",
+        "cipher_tls13":"TLS_AES_128_GCM_SHA256:TLS_CHACHA20_POLY1305_SHA256:TLS_AES_256_GCM_SHA384",
+        "sni": "",
+        "alpn": [
+            "h2",
+            "http/1.1"
+        ],
+        "reuse_session": true,
+        "session_ticket": false,
+        "curves": ""
+    },
+    "tcp": {
+        "no_delay": true,
+        "keep_alive": true,
+        "fast_open": false,
+        "fast_open_qlen": 20
+    }
+}
+EOF
+         rm -rf /usr/src/trojan/server.conf
+         cat > /usr/src/trojan/server.conf <<-EOF
+{
+    "run_type": "server",
+    "local_addr": "0.0.0.0",
+    "local_port": 443,
+    "remote_addr": "127.0.0.1",
+    "remote_port": 80,
+    "password": [
+        "$trojan_passwd"
+    ],
+    "log_level": 1,
+    "ssl": {
+        "cert": "/usr/src/trojan-cert/$your_domain/fullchain.cer",
+        "key": "/usr/src/trojan-cert/$your_domain/private.key",
+        "key_password": "",
+        "cipher_tls13":"TLS_AES_128_GCM_SHA256:TLS_CHACHA20_POLY1305_SHA256:TLS_AES_256_GCM_SHA384",
+        "prefer_server_cipher": true,
+        "alpn": [
+            "http/1.1"
+        ],
+        "reuse_session": true,
+        "session_ticket": false,
+        "session_timeout": 600,
+        "plain_http_response": "",
+        "curves": "",
+        "dhparam": ""
+    },
+    "tcp": {
+        "no_delay": true,
+        "keep_alive": true,
+        "fast_open": false,
+        "fast_open_qlen": 20
+    },
+    "mysql": {
+        "enabled": false,
+        "server_addr": "127.0.0.1",
+        "server_port": 3306,
+        "database": "trojan",
+        "username": "trojan",
+        "password": ""
+    }
+}
+EOF
+        cd /usr/src/trojan-cli/
+        zip -q -r trojan-cli.zip /usr/src/trojan-cli/
+        rm -rf /usr/src/trojan-temp/
+        rm -f /usr/src/trojan-cli.zip
+        trojan_path=$(cat /dev/urandom | head -1 | md5sum | head -c 16)
+        #mkdir /usr/share/nginx/html/${trojan_path}
+        #mv /usr/src/trojan-cli/trojan-cli.zip /usr/share/nginx/html/${trojan_path}/	
+        cat > ${systempwd}trojan.service <<-EOF
+[Unit]  
+Description=trojan  
+After=network.target  
+   
+[Service]  
+Type=simple  
+PIDFile=/usr/src/trojan/trojan/trojan.pid
+ExecStart=/usr/src/trojan/trojan -c "/usr/src/trojan/server.conf"  
+ExecReload=/bin/kill -HUP \$MAINPID
+Restart=on-failure
+RestartSec=1s
+   
+[Install]  
+WantedBy=multi-user.target
+EOF
+
+        chmod +x ${systempwd}trojan.service
+        systemctl enable trojan.service
+        cd /root
+        ~/.acme.sh/acme.sh  --installcert  -d  $your_domain   \
+            --key-file   /usr/src/trojan-cert/$your_domain/private.key \
+            --fullchain-file  /usr/src/trojan-cert/$your_domain/fullchain.cer \
+            --reloadcmd  "systemctl restart trojan"	
+        green "==========================================================================="
+        green "windows客户端路径/usr/src/trojan-cli/trojan-cli.zip，此客户端已配置好所有参数"
+        green "==========================================================================="
+        echo
+        echo
+        green "                          客户端配置文件"
+        green "==========================================================================="
+        cat /usr/src/trojan-cli/config.json
+        green "==========================================================================="
+    else
+        red "==================================="
+        red "https证书没有申请成功，本次安装失败"
+        red "==================================="
+    fi
+}
+function preinstall_check(){
+
+    nginx_status=`ps -aux | grep "nginx: worker" |grep -v "grep"`
+    if [ -n "$nginx_status" ]; then
+        systemctl stop nginx
+    fi
+    $systemPackage -y install net-tools socat >/dev/null 2>&1
+    Port80=`netstat -tlpn | awk -F '[: ]+' '$1=="tcp"{print $5}' | grep -w 80`
+    Port443=`netstat -tlpn | awk -F '[: ]+' '$1=="tcp"{print $5}' | grep -w 443`
+    if [ -n "$Port80" ]; then
+        process80=`netstat -tlpn | awk -F '[: ]+' '$5=="80"{print $9}'`
+        red "==========================================================="
+        red "检测到80端口被占用，占用进程为：${process80}，本次安装结束"
+        red "==========================================================="
+        exit 1
+    fi
+    if [ -n "$Port443" ]; then
+        process443=`netstat -tlpn | awk -F '[: ]+' '$5=="443"{print $9}'`
+        red "============================================================="
+        red "检测到443端口被占用，占用进程为：${process443}，本次安装结束"
+        red "============================================================="
+        exit 1
+    fi
+    if [ -f "/etc/selinux/config" ]; then
+        CHECK=$(grep SELINUX= /etc/selinux/config | grep -v "#")
+        if [ "$CHECK" == "SELINUX=enforcing" ]; then
+            green "$(date +"%Y-%m-%d %H:%M:%S") - SELinux状态非disabled,关闭SELinux."
+            setenforce 0
+            sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config
+            #loggreen "SELinux is not disabled, add port 80/443 to SELinux rules."
+            #loggreen "==== Install semanage"
+            #logcmd "yum install -y policycoreutils-python"
+            #semanage port -a -t http_port_t -p tcp 80
+            #semanage port -a -t http_port_t -p tcp 443
+            #semanage port -a -t http_port_t -p tcp 37212
+            #semanage port -a -t http_port_t -p tcp 37213
+        elif [ "$CHECK" == "SELINUX=permissive" ]; then
+            green "$(date +"%Y-%m-%d %H:%M:%S") - SELinux状态非disabled,关闭SELinux."
+            setenforce 0
+            sed -i 's/SELINUX=permissive/SELINUX=disabled/g' /etc/selinux/config
+        fi
+    fi
+    if [ "$release" == "centos" ]; then
+        if  [ -n "$(grep ' 6\.' /etc/redhat-release)" ] ;then
+        red "==============="
+        red "当前系统不受支持"
+        red "==============="
+        exit
+        fi
+        if  [ -n "$(grep ' 5\.' /etc/redhat-release)" ] ;then
+        red "==============="
+        red "当前系统不受支持"
+        red "==============="
+        exit
+        fi
+        firewall_status=`systemctl status firewalld | grep "Active: active"`
+        if [ -n "$firewall_status" ]; then
+            green "检测到firewalld开启状态，添加放行80/443端口规则"
+            firewall-cmd --zone=public --add-port=80/tcp --permanent
+            firewall-cmd --zone=public --add-port=443/tcp --permanent
+            firewall-cmd --reload
+        fi
+        rpm -Uvh http://nginx.org/packages/centos/7/noarch/RPMS/nginx-release-centos-7-0.el7.ngx.noarch.rpm --force --nodeps
+    elif [ "$release" == "ubuntu" ]; then
+        if  [ -n "$(grep ' 14\.' /etc/os-release)" ] ;then
+        red "==============="
+        red "当前系统不受支持"
+        red "==============="
+        exit
+        fi
+        if  [ -n "$(grep ' 12\.' /etc/os-release)" ] ;then
+        red "==============="
+        red "当前系统不受支持"
+        red "==============="
+        exit
+        fi
+        ufw_status=`systemctl status ufw | grep "Active: active"`
+        if [ -n "$ufw_status" ]; then
+            ufw allow 80/tcp
+            ufw allow 443/tcp
+            ufw reload
+        fi
+        apt-get update
+    elif [ "$release" == "debian" ]; then
+        ufw_status=`systemctl status ufw | grep "Active: active"`
+        if [ -n "$ufw_status" ]; then
+            ufw allow 80/tcp
+            ufw allow 443/tcp
+            ufw reload
+        fi
+        apt-get update
+    fi
+    $systemPackage -y install  wget unzip zip curl tar >/dev/null 2>&1
+    green "======================="
+    blue "请输入绑定到本VPS的域名"
+    green "======================="
+    read your_domain
+    real_addr=`ping ${your_domain} -c 1 | sed '1{s/[^(]*(//;s/).*//;q}'`
+    local_addr=`curl ipv4.icanhazip.com`
+    if [ $real_addr == $local_addr ] ; then
+        green "=========================================="
+        green "       域名解析正常，开始安装trojan"
+        green "=========================================="
+        sleep 1s
+        install_trojan
+    else
+        red "===================================="
+        red "域名解析地址与本VPS IP地址不一致"
+        red "若你确认解析成功你可强制脚本继续运行"
+        red "===================================="
+        read -p "是否强制运行 ?请输入 [Y/n] :" yn
+        [ -z "${yn}" ] && yn="y"
+        if [[ $yn == [Yy] ]]; then
+            green "强制继续运行脚本"
+            sleep 1s
+            install_trojan
+        else
+            exit 1
+        fi
+    fi
+}
+
+function repair_cert(){
+    systemctl stop nginx
+    #iptables -I INPUT -p tcp --dport 80 -j ACCEPT
+    #iptables -I INPUT -p tcp --dport 443 -j ACCEPT
+    Port80=`netstat -tlpn | awk -F '[: ]+' '$1=="tcp"{print $5}' | grep -w 80`
+    if [ -n "$Port80" ]; then
+        process80=`netstat -tlpn | awk -F '[: ]+' '$5=="80"{print $9}'`
+        red "==========================================================="
+        red "检测到80端口被占用，占用进程为：${process80}，本次安装结束"
+        red "==========================================================="
+        exit 1
+    fi
+    green "============================"
+    blue "请输入绑定到本VPS的域名"
+    blue "务必与之前失败使用的域名一致"
+    green "============================"
+    read your_domain
+    real_addr=`ping ${your_domain} -c 1 | sed '1{s/[^(]*(//;s/).*//;q}'`
+    local_addr=`curl ipv4.icanhazip.com`
+    if [ $real_addr == $local_addr ] ; then
+        ~/.acme.sh/acme.sh  --register-account  -m myemail@example.com --server zerossl
+        ~/.acme.sh/acme.sh  --issue  -d $your_domain  --standalone
+        ~/.acme.sh/acme.sh  --installcert  -d  $your_domain   \
+            --key-file   /usr/src/trojan-cert/$your_domain/private.key \
+            --fullchain-file /usr/src/trojan-cert/$your_domain/fullchain.cer \
+            --reloadcmd  "systemctl restart trojan"
+        if test -s /usr/src/trojan-cert/$your_domain/fullchain.cer; then
+            green "证书申请成功"
+            systemctl restart trojan
+            systemctl start nginx
+        else
+            red "申请证书失败"
+        fi
+    else
+        red "================================"
+        red "域名解析地址与本VPS IP地址不一致"
+        red "本次安装失败，请确保域名解析正常"
+        red "================================"
+    fi
+}
+
+function remove_trojan(){
+    red "================================"
+    red "即将卸载trojan"
+    red "同时卸载安装的nginx"
+    red "================================"
+    systemctl stop trojan
+    systemctl disable trojan
+    systemctl stop nginx
+    systemctl disable nginx
+    rm -f ${systempwd}trojan.service
+    if [ "$release" == "centos" ]; then
+        yum remove -y nginx
+    else
+        apt-get -y autoremove nginx
+        apt-get -y --purge remove nginx
+        apt-get -y autoremove && apt-get -y autoclean
+        find / | grep nginx | sudo xargs rm -rf
+    fi
+    rm -rf /usr/src/trojan/
+    rm -rf /usr/src/trojan-cli/
+    rm -rf /usr/share/nginx/html/*
+    rm -rf /etc/nginx/
+    rm -rf /root/.acme.sh/
+    green "=============="
+    green "trojan删除完毕"
+    green "=============="
+}
+
+function update_trojan(){
+    /usr/src/trojan/trojan -v 2>trojan.tmp
+    curr_version=`cat trojan.tmp | grep "trojan" | awk '{print $4}'`
+    wget https://api.github.com/repos/trojan-gfw/trojan/releases/latest >/dev/null 2>&1
+    latest_version=`grep tag_name latest| awk -F '[:,"v]' '{print $6}'`
+    rm -f latest
+    rm -f trojan.tmp
+    if version_lt "$curr_version" "$latest_version"; then
+        green "当前版本$curr_version,最新版本$latest_version,开始升级……"
+        mkdir trojan_update_temp && cd trojan_update_temp
+        wget https://github.com/trojan-gfw/trojan/releases/download/v${latest_version}/trojan-${latest_version}-linux-amd64.tar.xz >/dev/null 2>&1
+        tar xf trojan-${latest_version}-linux-amd64.tar.xz >/dev/null 2>&1
+        mv ./trojan/trojan /usr/src/trojan/
+        cd .. && rm -rf trojan_update_temp
+        systemctl restart trojan
+    /usr/src/trojan/trojan -v 2>trojan.tmp
+    green "服务端trojan升级完成，当前版本：`cat trojan.tmp | grep "trojan" | awk '{print $4}'`，客户端请在trojan github下载最新版"
+    rm -f trojan.tmp
+    else
+        green "当前版本$curr_version,最新版本$latest_version,无需升级"
+    fi
+   
+   
+}
+
+function install_acme(){
+    file_path="~/.acme.sh/acme.sh/"
+    if [ -f "$file_path" ]
+    then
+        red "$file_path 已存在"
+    else
+        blue "$file_path 不存在，现在安装"
+        curl https://get.acme.sh | sh
+    fi
+}
+
+start_menu(){
+    clear
+    green " ======================================="
+    green " 介绍: 一键安装trojan      "
+    green " 系统: centos7+/debian9+/ubuntu16.04+"
+    green " 作者: xxxbrian"
+    blue " 注意:"
+    red " *1. 不要在任何生产环境使用此脚本"
+    red " *2. 不要占用80和443端口"
+    red " *3. 若第二次使用脚本，请先执行卸载trojan"
+    green " ======================================="
+    echo
+    green " 1. 安装trojan"
+    red " 2. 卸载trojan"
+    green " 3. 升级trojan"
+    green " 4. 修复证书"
+    blue " 0. 退出脚本"
+    echo
+    read -p "请输入数字 :" num
+    case "$num" in
+    1)
+    install_acme
+    preinstall_check
+    ;;
+    2)
+    remove_trojan 
+    ;;
+    3)
+    update_trojan 
+    ;;
+    4)
+    install_acme
+    repair_cert 
+    ;;
+    0)
+    exit 1
+    ;;
+    *)
+    clear
+    red "请输入正确数字"
+    sleep 1s
+    start_menu
+    ;;
+    esac
+}
+
+start_menu